This is an educational project (Final year project) based on current technology trends like data security, Internet of Things etc. The issue of data security is very important paramount in any data transmission activity over a channel or network.Here data is encrypted first then transmitted over IOT network. On the receiving end that encrypted data is decrypted andthe original data is obtained. Only authorised person with thekey provided can decrypted & access the data. So unauthorised data access can be prevented in this way.